Common Mistakes in Each Core Options Strategy
Common Mistakes in Each Core Options Strategy
Which Avoidable Mistakes Destroy 80% of Options Traders?
Most options traders fail the same way: not from bad luck, but from repeatable, avoidable errors in execution. These are not subtle conceptual mistakes; they are mechanical errors that smart traders exploit and avoid. A covered call sold at the wrong strike, a put assignment accepted without preparation, a long call held past the catalyst—these are not market failures. They are personal discipline failures. The good news is that once you've seen them and named them, they become obvious. This article catalogs the five most destructive options strategy mistakes and the simple fixes that separate survivors from casualties.
Quick definition: Avoidable strategy mistakes are mechanical errors in execution—wrong strikes, wrong timing, wrong position sizing—that occur despite the underlying strategy being sound.
Key takeaways
- Selling covered calls too close to current price guarantees early assignment and caps your upside.
- Buying long calls during high implied volatility inflates the premium you pay; wait for volatility to cool.
- Holding losing long calls past the catalyst (earnings, FDA approval) is sunk-cost thinking; close it.
- Accepting cash-secured put assignments without the cash to support them is leverage disguised as income generation.
- Selling puts and calls on the same stock simultaneously creates hidden directional risk and confusion.
Mistake 1: Selling Covered Calls at the Wrong Strike
The most common covered call error is selling calls that are too close to the current stock price. A trader owns XYZ at $50 and sells a 51-strike call because "closer strikes mean more premium." They collect $0.50 per share ($50 total). The stock ticks up to $51.20 by expiration, and they're assigned, selling at $51. The profit is $50 + $50 = $100 on a $5,000 position—a 2% return.
Compare this to selling a 54-strike call for $0.20 ($20 premium). The stock rises to $52, stays below $54, and expires worthless. The trader keeps $20 and still owns the stock, now worth $100 more. Total profit: $120 on $5,000, a 2.4% return—and they still own the stock to repeat the strategy next month.
The near-the-money covered call sale is a beginner's error because it optimizes for immediate premium (visible cash today) over probability of holding the stock (invisible future flexibility). The optimal strike for a covered call is 5–10% out of the money—far enough that normal weekly volatility won't trigger assignment, but close enough that assignment at that price still feels acceptable.
The fix: Before you sell a call, ask: "If I'm assigned at this strike, will I be happy?" If yes, and it's 5–10% out-of-the-money, sell it. If you'd be devastated by assignment, the strike is too close. Move it further out and accept the lower premium.
Mistake 2: Buying Long Calls During Peak Implied Volatility
Implied volatility spikes on bad news and right before earnings. At that moment, every option—including calls you want to buy—becomes expensive. A call that costs $1.00 in normal times might cost $2.50 when IV is through the roof.
A trader sees XYZ about to announce earnings, feels bullish, and buys a 52-strike call when IV percentile is at the 95th percentile (highest levels). He pays $2.50 ($250). Earnings are tonight. The stock jumps to $55. His call is worth $3.80—a $130 gain. He feels like a genius.
But what if he'd waited? After earnings, IV collapses to the 30th percentile. A 52-strike call on XYZ at $55 is now worth $2.15. The stock moved $5 in his direction, but the call he'd buy now (after earnings) would cost less. By buying before the volatility event, he overpaid. Volatility crushed the value of the premium he paid.
This mistake is especially vicious because it sometimes works. If the stock rips 10% on earnings, the call gains 100%+, and the trader feels validated. But 70% of the time, the stock moves 3–5%, and the call barely breaks even or loses—because he overpaid for premium that had no edge.
The fix: Buy long calls when IV percentile is <40%. The premium is cheaper, and you're not betting against volatility collapse. If IV is high, sell premium instead (covered calls, cash-secured puts). High volatility is a gift for premium sellers, not buyers.
Mistake 3: Holding Losing Long Calls Past the Catalyst
A trader buys $110 call options on a stock trading at $108 when earnings are announced for "three days from now." He pays $2.00 ($200). Earnings disappoint; the stock falls to $105. His call is now worth $0.15 ($15). He's lost $185 on a 97.5% loss.
At this point, a normal trader would close it and move on. Instead, this trader thinks: "I had the right direction. The stock DID fall... wait, no, that was wrong. I thought it would rise. Okay, I lost. But earnings are priced in now. Maybe the stock will bounce next week." He holds, watching it decay to zero.
The sunk-cost fallacy is: "I've already lost $185. Why lock it in?" The answer is: because the catalyst you were betting on has already occurred. You were not making a generic "stock will rise" bet; you were making a "stock will rise after earnings." Earnings happened. The option didn't work. The collateral loss is your education: this trade had a low probability of success.
Holding a call past its catalyst is mathematically insane. The option has no more volatility to expand, and theta (time decay) accelerates. A call worth $0.15 three days after the catalyst will be worth $0.01 one day before expiration. The decay is exponential. You're not "giving it a chance"; you're bleeding money in slow motion.
The fix: Before you buy a long call, decide your catalyst and your exit. "I'm buying this call for the earnings announcement. If the stock doesn't move >3% by earnings, I'm closing it for whatever I can get. If earnings pass and the stock doesn't move >5%, I'm closing it."* Catalyst-based calls live and die on the catalyst. Don't linger.
Mistake 4: Accepting Cash-Secured Put Assignments Without a Plan
A trader sells a 48-strike put on XYZ for $0.65 premium, collecting $65. The put is "secured" by $4,800 in his account—the cash he'd need to pay for the stock if assigned. The stock drops to $43; the put is deep in the money. Days before expiration, he's assigned 100 shares at $48, and his $4,800 account cash is now 100 shares of XYZ at $48, market value $4,300.
Immediately after assignment, the stock rallies to $49. He breathes a sigh of relief. But he's now a stock owner with a $500 paper loss, holding 100 shares in an account that is fully margined because all the cash is gone.
If the stock drops to $40, he's stuck holding a $800 loss on a position he never expected to own long-term. Worse, if his account falls below his broker's margin maintenance requirement, he'll be forced to sell the shares at the worst possible time.
The error is not assignment itself; it's accepting assignment without pre-deciding what to do with the stock once you own it. Most traders think: "I'll be fine if assigned; I wanted that price anyway." Then assignment happens, and suddenly they own a position they didn't budget for psychologically or financially.
The fix: Before you sell a put, answer two questions:
- "Do I actually want to own this stock at this price, or am I just chasing premium?"
- "If I own it, will I hold it for at least three months, or are my plans vague?"
If the answer to question 1 is "I'm chasing premium" or the answer to question 2 is "I'll probably sell it next week," don't sell the put. The assignment will trap you in a position you don't want.
Mistake 5: Selling Puts and Calls on the Same Stock
A trader owns XYZ at $50. He sells a 48-strike put and a 52-strike call simultaneously, thinking: "I'm range-bound. I'll collect premium on both sides." He gets $0.65 on the put and $0.50 on the call—$115 total.
Here's the invisible disaster: he's now short the put (obligated to buy at $48) and short the call (obligated to sell at $52). The stock drops to $45. The put is assigned, and he buys at $48 while the stock is worth $45. He loses $300 on the put assignment. But psychologically, he tells himself: "At least I still own the stock. And if it rallies to $52, the covered call assignment will sell the stock at $52."
The real problem: he's now betting on one of two outcomes: either the stock stays in the $48–52 range (least likely outcome), or it moves in a way that forces one of his positions to close while the other locks in a loss. By selling both, he's reduced his flexibility.
More importantly, he's confused about his market outlook. A trader who sells both a put and a call is not expressing a coherent view. They're expressing: "I don't know what will happen, so I'll collect premium from both sides." This is often a recipe for whipsaw losses because the stock will move in one direction, forcing assignment in the losing position while the other decays to zero.
The fix: Pick one strategy: either sell the put (you want to own lower) OR sell the call (you already own it), but not both on the same stock in the same timeframe. This keeps your positioning clean and your psychology aligned.
The Pattern Behind All Five Mistakes
The pattern is simple: traders who make these five mistakes don't have pre-decided rules. They react emotionally to market conditions and to their losing positions. Traders who avoid them pre-decide everything before entering the trade. They have rules for strikes, timing, exits, and position management. When the trade moves against them, they don't improvise; they follow the plan.
Real-world examples
Covered call seller's strike mistake: In March 2024, a trader sold 510-strike calls on Nvidia when it was at $512. Nvidia rose steadily to $525 by expiration. He was assigned, selling at $510, while the stock was worth $525. He made $200 in premium on a $51,200 position (0.4% return) and lost the opportunity to own the stock at $525. He'd optimized for the $200 premium and paid for it by losing flexibility.
Long call buyer's volatility mistake: Tesla announced a split; implied volatility spiked. A trader bought $250 calls for $3.50 ($350) when IV was at the 90th percentile. Earnings were that week. Tesla beat and rose to $255, but IV collapsed. His call was worth $2.80—a $70 loss on a move that was correct. The volatility he paid for disappeared.
Put seller's assignment surprise: A trader sold Amazon puts during a market correction because "premium was fat and I wanted to own it at 10% lower." He didn't realize he was in a margin call situation. When assigned 100 shares at $160, his $16,000 assignment consumed his entire account cash. A 5% move lower would have triggered a forced liquidation.
Common mistakes—prevention checklist
Before selling a covered call:
- Strike is 5–10% above current price?
- You'd be happy if assigned at this strike?
- Implied volatility is at least moderate?
Before buying a long call:
- Implied volatility percentile is <40%?
- You have a catalyst within 30 days?
- You've pre-decided your exit if the catalyst doesn't deliver?
Before selling a cash-secured put:
- You actually want to own the stock at this strike?
- You have the cash to support the assignment?
- You plan to hold the stock for at least three months?
Before any trade:
- Is your market outlook clear (bull/bear/sideways)?
- Does your strategy match your outlook?
- Have you pre-decided your maximum loss?
FAQ
What if I sold a call too close to the money and I'm about to be assigned?
You can close the call early by buying it back, resetting your strike for next month. It'll cost you some money, but it's cheaper than the regret of premature assignment. Or, accept the assignment, knowing it's a lesson learned. Next month, sell a call further out.
I bought a long call before earnings and it's now worthless. Should I hold it for the next catalyst?
No. The option is dead. Theta is at maximum decay. Holding a worthless option past the catalyst is emotional, not strategic. Close it, take the loss, and move to a new trade.
Can I sell a put and a call on the same stock if they're in different months?
Technically yes, but it's still confusing. If you sell a May put and a June call, you're expressing a different view in each month. That's fine if that's intentional, but most traders doing it are just chasing premium without a real plan.
What's the fastest way to tell if I'm about to make one of these five mistakes?
Ask yourself: "Did I pre-decide this, or am I deciding it now?" If you're deciding it now, stop and make a plan first. Every one of the five mistakes is a trader reacting to price movement instead of executing a pre-decided plan.
If I avoid these five mistakes, am I guaranteed to profit?
No. You can execute perfectly and still lose to bad luck in the short term. But avoiding these mistakes increases your probability of long-term success from <10% (what most traders have) to >50% (what is statistically possible). It's a necessary condition, not a sufficient one.
Related concepts
- How to Match Options Strategies to Market Conditions
- The Psychology of Each Core Strategy
- Position Sizing for Each Strategy
- Buying Too Much Premium
Summary
The five most destructive options strategy mistakes are: selling covered calls at the wrong strike, buying long calls during peak implied volatility, holding losing calls past the catalyst, accepting put assignments without a plan, and selling puts and calls simultaneously without clarity. None of these are market failures; they are execution failures. The antidote to all five is pre-decision. Before you enter any trade, decide your rules: what strike, what timing, what exit, what position size, what outcome triggers a close. When the trade moves against you, you won't have to think—you'll already know what to do. This discipline is the difference between traders who consistently fail and traders who build real edges.